/*
 * Copyright (c) 2003-2005 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Gabe Black
 *          Kevin Lim
 */

#ifndef __ARCH_TRIPS_FAULTS_HH__
#define __ARCH_TRIPS_FAULTS_HH__

#include "arch/trips/pagetable.hh"
#include "config/full_system.hh"
#include "sim/faults.hh"

// The design of the "name" and "vect" functions is in sim/faults.hh

namespace TripsISA {

typedef const Addr FaultVect;

class TripsFault : public FaultBase
{
  protected:
    virtual bool skipFaultingInstruction() {return false;}
    virtual bool setRestartAddress() {return true;}
  public:
    virtual void invoke(ThreadContext * tc);
private:
    static FaultName _name;
    static FaultVect _vect;
    static FaultStat _count;
  public:
    FaultName name() const {return _name;}
    FaultVect vect() {return _vect;}
    FaultStat & countStat() {return _count;}
    bool isTripsFault() {return true;}
};

class TripsSyscallFault : public TripsFault
{
  public:
    void invoke(ThreadContext * tc);
private:
    static FaultName _name;
    static FaultVect _vect;
    static FaultStat _count;
  public:
    FaultName name() const {return _name;}
    FaultVect vect() {return _vect;}
    FaultStat & countStat() {return _count;}

    void returnFromSyscall(ThreadContext * tc );
		
    bool isTripsSyscallFault() {return true;}
};

static inline Fault genMachineCheckFault()
{
    return new TripsFault;
}

static inline Fault genSyscallFault()
{
    return new TripsSyscallFault;
}

} // namespace TripsISA

#endif // __ARCH_TRIPS_FAULTS_HH__
